Home / 550,519.46-759,715.28-305,541.21

Finding the Fourth Proportional to 550,519.46, 759,715.28 and 305,541.21

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Solution

The fourth proportional to 550,519.46, 759,715.28 and 305,541.21 is: 421,646.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,519.46 : 759,715.28 = 305,541.21 : x
  2. Step 2: Convert to fraction form
    550,519.46/759,715.28 = 305,541.21/x
  3. Step 3: Cross multiply
    550,519.46x = 759,715.28 × 305,541.21
  4. Step 4: Simplify right side
    550,519.46x = 232,124,327,514.36
  5. Step 5: Solve for x
    x = 232,124,327,514.36/550,519.46
  6. Step 6: Final answer
    x = 421,646.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.